package com.example.demo.testOne;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @description
 *
 * @author lilinchun
 * @date 2023/12/01
 */
public class demo15 {

    public static void main(String[] args) {
        Map<String,String> map=new HashMap<>();
        map.put("1","123");
        List<String> list=new ArrayList<>(map.keySet());
        System.out.println(list);
    }
}
